Biology (11th Edition)

Published by McGraw-Hill Education
ISBN 10: 1-25918-813-2
ISBN 13: 978-1-25918-813-8

Chapter 42 - The Animal Body and Principles of Regulation - Figure 42.13 - Data Analysis: 1

Answer

At the two ends of the spectrum, smaller mammals need more energy, which means that they would be under great stress in colder climates, while larger animals have an easy time producing heat. Therefore, cooling would be more of an issue for larger mammals.

Work Step by Step

Look at the two ends of the graph--they show extremes in demand for energy. Think about what conditions would be a stress for those with greater or lesser metabolic demands.
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